1H-INDOLIUM, 2-CARBOXY-1-((2,6-DICARBOXY-2,3-DIHYDRO-4(1H)-PYRIDINYLIDENE)ETHYLI 1H-Indolium, 2-carboxy-1-((2,6-dicarboxy-2,3-dihydro-4(1H)-pyridinylidene)ethylidene)-5,6-dihydroxy-, hydroxide, inner salt, sulfate (salt) 2,6-Pyridinedicarboxylic acid, 4-(2-(2-carboxy-2,3-dihydro-5,6-dihydroxy-1H-indol-1-yl)ethenyl)-2,3-dihydro-, (S-(R*,R*))-, sulfate (salt) 37717-82-1 Betanidin sulfate Betanidine sulfate